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- Frank`s Hospital Workshop

1. 500 ohm dh i m 175 N N N 4 150 7 N 9 _ PURE CUT POWER 100 i da N P d n hs 100 A x LET P A Sa Sag 79 E SS A 50 c fe PURE CUT POWER 50 a c 25 gt E 50100 200 300 400 500 500 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 25 50 75 100 125 150 IMPEDANCE SETTING ohm POWER 1 500 ohm N 150 Pa N 125 BLEND CUT POWER 100 Ra N a Pal N 100 E Ew F E EN y Sk B 75 E N E b B du ET c _ 50 ih Toms P BLEND CUT POWER 50 E 25 Z 50100 200 500 400 500 600 700 800 900 1000 1100 1200 1500 1400 1500 1600 1700 1800 1900 2000 25 50 75 100 125 140 IMPEDANCE SETTINS ohm POWER POWER 500 100 4 100 95 90 1 85 pa i 70 FORCED COAG POWER 100 60 55 50 50 45 M 404 35 50 1 75 __ 25 20 me 15 10 FORCED COAG POWER 100 qo ok de bod d LA d gt 50100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 IMPEDANCE 25 50 70
2. Vert DC 1V div Hor 200 ns div b turn the electrosurgical unit off remove jumper shorting the R33 resistor board 801260 801260 a and insert fuse F3 4 CALIBRATING DEAD TIME a connect a load of 500 ohm to the MONOPOLAR output hook up b set 10W as power index in the CUT function turn the 859 trimmer fully counterclockwise board 801260 801260 a d using both inlets of the oscilloscope connect probe 1 to test point 7P77 and probe 2 on test point 7272 with the electrosurgical unit turned on turn the 850 trimmer so that dead time i e the time at which both signals are at zero level is equal to 250ns board 801260 801260 a TP11 ADD TP12 INVERT Vert DC 5V div Hor 500 ns div g increase dead time by another 25ns by using trimmer R59 board 801260 801260 a 5 TESTING THE RF POWER AMPLIFIER set 100W as power index in the CUT function b insert the RF current probe in series in the output c activate the electrosurgical unit and make sure it has the following wave form 100 90 Vert 0 2A div Hor 500 ns div 6 CALIBRATING CURRENT LIMITER a bring output load to 200 ohm b set 70W as power index in the FORCED COAG function calibrate the 887 trimmer board 801260 801260 a
3. SETTING POWER 50 145 140 135 50 125 POWER 204 500 ohm jw 150 105 00 SOFT 100 723 85 80 100 70 65 4 60 75 55 45 1 404 50 55 30 11 25 203 SOFT 50 29 50100 200 500 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 IMPEDANCE 2s 59 78 190 NE ohm POWER POWER 100 704 652 50 50 507 BIPOLAR COAG POWER 100 40 40 35 50 50 25 20 BIPOLAR COAG POVVER 50 20 16 1 e E 10 5_ ccc a TTT 1050100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 MPEDANCE 10 20 50 40 50 60 ohm SETTING Pp _________ BL i i e i i __________ IS a alsa apparecchi medicali s r l 19 5 1995 ALSATOM N81 MC MB1 A MC 5 SCHEMATIC BLOCK T T R A 3 o R M E R SYNC OSC OUT INP INV INP COMP PWM_ALIM C21 C22 C23 C24 R38 R39 GND R37 C25 26 C27 28 alsa apparecchi medicali s r l 19 511995 ALSATOM MB1 MC MBI A MC 5A 801260 A POWER SUPPLY SECTION VALIN REG gt VALM_REG INP INV INP OUT 61 ENZALIM _ gt PWM_ALIM ALIM gt m alsa apparecchi medicali s
4. R60 33K Resistenza Strato 1 4 W 5 430172 R61 27K Resistenza Strato 1 4 W 5 430340 R62 1K Resistenza Strato 1 4 W 5 430170 R63 560 Resistenza Strato 1 4 W 5 430178 R64 56K Resistenza Strato 1 4 W 5 430176 R65 27K Resistenza Strato 1 4 W 5 430340 R66 560 Resistenza Strato 1 4 W 5 430178 R67 27K Resistenza Strato 1 4 W 5 430340 R68 27K Resistenza Strato 1 4 W 5 430340 R69 10K Resistenza Strato 1 4 W 5 430339 R70 22 Resistenza Strato 1 4 W 5 430447 R71 22 Resistenza Strato 1 4 W 5 430447 R72 10 Resistenza Strato 1 4 W 5 430180 R73 100K Resistenza Strato 1 4 W 5 430177 R74 10K Resistenza Strato 1 4 W 5 430339 R75 1K Resistenza Strato 1 4 W 5 430170 R76 2K2 Resistenza Strato 1 4 W 5 430343 R77 12 Resistenza Strato 1 4 W 5 430415 R78 12 Resistenza Strato 1 4 W 5 430415 R79 1K Resistenza Strato 1 4 W 5 430170 R80 1K 3W A Res Antinduttiva 3W assiale 430450 R81 1K 3W A Res Antinduttiva 3W assiale 430450 R82 1K 3W A Res Antinduttiva 3W assiale 430450 R83 1K Resistenza Strato 1 4 W 5 430170 R84 1K 3W A Res Antinduttiva 3W assiale 430450 R85 1K 3W A Res Antinduttiva 3W assiale 430450 R86 1K 3W A Res Antinduttiva 3W assiale 430450 R87 5KT Trimmer Cermet 403052 ELECTROSURGICAL UNIT MB1A MC MB1 MC Revised May 19 1995 801260 a MAIN BOARD Revision 5A Bill Of Materials September 25 1995 11 38 34 Reference Part Description Cod alsa R88 1K Resistenza Strato 1 4 W 5 430170 R89 100 Resistenza Strato 1 4 W 5 430336 R90 4
5. b set 60W as power index in the B POLAR function turn on the electrosurgical unit and make sure that the effective current in the load is equal to 780mA 5 Vert AC 0 5A div Hor 500 ns div CALIBRATING RF PROTECTION SYSTEMS 7 PROTECTION FROM MALFUNCTION CAUSED BY MODULATION SIGNAL a bring load resistor to 1000 ohm b set 40W as power index in the FORCED COAG function with the electrosurgical unit activated turn the 867 trimmer board 801261 801262 slowly counterclockwise until the audio signal becomes intermittent and at the same time the RF output signal stops now turn the 867 trimmer board 801261 801262 clockwise 15 degrees always keeping the power index at 40W make sure that all functions are properly activated f in order to simulate a malfunction condition short the R52 resistor board 801260 801260 a and activate FORCED COAG The audio signal must warn of a malfunction condition 9 remove jumper shorting the 52 resistor 2 PROTECTION FROM MALFUNCTION CAUSED BY POWER SUPPLY a bring load resistor to 500 ohm b set 40W as power index in the FORCED COAG function with the electrosurgical unit activated turn slowly the R57 trimmer counterclockwise board 801261 801262 until the audio sound becomes intermittent d now turn the 57 trimmer board 801261 801262 clockwise 15 degrees always keeping the
6. 430170 R46 10K Resistenza Strato 1 4 W 5 430339 R47 10K Resistenza Strato 1 4 W 5 430339 R48 10K Resistenza Strato 1 4 W 5 430339 R50 10K Resistenza Strato 1 4 W 5 430339 R51 10K Resistenza Strato 1 4 W 5 430339 R52 1K Resistenza Strato 1 4 W 5 430170 R53 100 Resistenza Strato 1 4 W 5 430336 R54 10K Resistenza Strato 1 4 W 5 430339 R55 100 Resistenza Strato 1 4 W 5 430336 R56 1K 1 Resistenza di precisione 1 0 5W 430458 R57 5KT Trimmer Cermet 403052 R58 1K Resistenza Strato 1 4 W 5 430170 R59 10K Resistenza Strato 1 4 W 5 430339 R60 1K 1 Resistenza di precisione 1 0 5W 430458 R61 20KT Trimmer Cermet 403050 R63 1K 1 Resistenza di precisione 1 0 5W 430458 R64 1K Resistenza Strato 1 4 W 5 430170 R65 NU NOT USED ___________ _ R66 22K Resistenza Strato 1 4 W 5 430179 R67 470 Resistenza Strato 1 4 W 5 430169 R68 470 Resistenza Strato 1 4 W 5 430169 R69 47 Resistenza Strato 1 4 W 5 430334 R70 47 Resistenza Strato 1 4 W 5 430334 R72 10K Resistenza Strato 1 4 W 5 430339 R73 10K Resistenza Strato 1 4 W 5 430339 R74 10K Resistenza Strato 1 4 W 5 430339 R75 10K Resistenza Strato 1 4 W 5 430339 ci 10n Cond Ceramico multistrato 400251 2 47 1 400255 10u T 35V Cond Tantalio 400134 C4 100n Cond Ceramico multistrato 400139 C5 100n Cond Ceramico multistrato 400139 100 Cond Ceramico multistrato 400139 C7 100n Cond Ceramico multistrato 400139 100 Cond Ceramico multistrat
7. W 5 430336 R124 680 Resistenza Strato 1 4 W 5 430194 R125 180 Resistenza Strato 1 4 W 5 430342 R126 10 Resistenza Strato 1 4 W 5 430180 R127 470 Resistenza Strato 1 4 W 5 430169 R128 1K5 Resistenza Strato 1 4 W 5 430199 R129 560 Resistenza Strato 1 4 W 5 430178 R130 820 Resistenza Strato 1 4 W 5 430200 R131 18K Resistenza Strato 1 4 W 5 430346 R132 10M Resistenza Strato 1 4 W 5 430431 R133 100K Resistenza Strato 1 4 W 5 430177 R134 2K2 Resistenza Strato 1 4 W 5 430343 R135 1M Resistenza Strato 1 4 W 5 430331 R136 100 Resistenza Strato 1 4 W 5 430336 ci 10u T 35V Cond Tantalio 400134 2 1 Cond Poliestere 400278 100 Cond Ceramico multistrato 400139 ca 100 Cond Ceramico multistrato 400139 5 100 Cond Ceramico NPO 400260 220 Cond Ceramico disco 400240 C7 10u T 35V Cond Tantalio 400134 C8 1u T 35V Cond Tantalio 400173 9 22p C Cond Ceramico disco 400290 C10 10u T 35V Cond Tantalio 400134 CLI 100n Cond Ceramico multistrato 400139 C12 10n C 1KV Cond Ceramico disco 400133 13 470u E 250V Cond Elettrolitico Verticale 400304 C14 1000u E 35V Cond Elettrolitico 400256 C15 10u T 35V Cond Tantalio 400134 C16 10u T 35V Cond Tantalio 400134 C17 1000u E 35V Cond Elettrolitico 400256 C18 10u T 35V Cond Tantalio 400134 C19 10u T 35V Cond Tantalio 400134 C20 680p C 500V Cond Ceramico 400292 C21 22u E 100V V Cond Elett verticale SMPS 400286 C22 22u E 100V V Cond Elett verticale SMPS 400286 C23 22u E 100
8. have been indicated are reached d remove the jumper used to create electrical bonding 7P5 mosfet drain 06 board 801260 801260 a F RADIOFREQUENCY board 801260 801260 a a short A33 resistor board 801260 801260 a This prevents activation of the RF power generator thus preventing possible damage to electronic circuits that have not been tested yet 1 TESTING NEUTRAL PLATE CIRCUIT a select CUT function b disconnect the two end conductors in the plate and then insert 1000 ohm resistor series check that red LED ALARM is turned on at the same time that the LED turns a repetitive acoustic signal will give warning of an error in the neutral plate d once again short the end conductors on the neutral plate 2 TESTING WORKING FREQUENCY a set 10W as power index in the CUT function b connect frequency meter to test point 7 9 board 801260 801260 a with the electrosurgical unit turned on make sure that working frequency is 950 kHz 10 2 d calibrate the trimming capacitor C24 board 801260 801260 a in such a way that the wave form is the following Vert DC 1V div Hor 50 ns div 3 CALIBRATING THE SLOPED SIGNAL SAW TOOTH SIGNAL a always with the CUT function activated regulate the R50 trimmer board 801260 801260 a in such a way that the wave form on test point 7P70 will be the following 100 90
9. in such a way that the current flowing through the output load is 580 7 TESTING OUTPUT POWER a bring the output load to 500 ohm b with power set at 70W in FORCED COAG make sure that effective current in the load is equal to 380mA 5 If necessary it is possible to adjust the maximum output power by adjusting the A6 trimmer board 801260 801260 a Calibrating the trimmer is allowed only if the voltage that is supplying the final stage does not exceed 735V set 10W as power index in the CUT function d make sure that the effective current in the load is equal to 740mA 5 If necessary it is possible to adjust the maximum output power by adjusting the R4 trimmer board 801260 801260 a set 140W as power index in the BLEND function f make sure that affective current in the load is equal to 520mA 5 NOTE This manual contains a chapter page 9 with output power curves for the electrosurgical unit for a complete test of the device refer to these curves 6 CALIBRATING MAXIMUM RF LEAKAGE CURRENT a bring load resistor to 1500 ohm b set 150W as power index in the CUT function c connect the oscilloscope probe on test point 7 8 d by calibrating the R776 trimmer board 801260 801260 a find the point in which the tension displayed in the oscilloscope decreases abruptly from 52V to 42V 20 9 BIPOLAR COAGULATION TEST a connect the load in the B POLAR outlets b bring load resistor to 100 ohm
10. power index at 40W make sure that all functions are properly activated H CHECKING THE AUDIO SIGNAL LEVEL The audio level has no control The frequency and amplitude of the signal require no calibrating and are generated directly by the microprocessor To check proceed as follows a set 2W as power index of the CUT function b connect the oscilloscope probe to test point 7P73 c activate and make sure that the wave form is the following Vert AC 2V div Hor 0 5 ms div CHECKING RF CURRENT LEAKAGE High frequency current leakage for insulated equipment must never exceed 150mA RMS as required by the CEI EN 60601 2 2 REGULATIONS IEC 601 2 2 The microprocessor for the electrosurgical unit MB7 A MC has controls allowing it to keep well below such limit To test the efficiency of these controls it is indispensable to duplicate the most extreme test conditions which in the case of the electrosurgical unit MB7 A MC are obtained with the CUT BLEND FORCED COAG and SOFT at their highest power setting The average figures for leakage current are 110mA Measurement must be made as indicated by the CEI EN 60601 2 2 REGULATIONS with insulated equipment CEI IEC 7691 CE IEC 72791 CURVES OF POWER CHANGES BY CHANGING THE LOADS FROM 50 2000 OHMS CURVES OF POWER INCREMENT WITH NOMINAL LOAD POWER
11. r l 19 5119951 ALSATOM MB1 MC MBI ANG SA 801260 A R F SECTION C69 ce 1 MC_MBI 5A 61130 0270 T 801260 A MAIN BOARD alsa apparecchi medicali s r l 19 5 1995 ALSATOM MB date BRAS th MEDUDUDUIO Mr 000 PE oxxo L ELECTROSURGICAL UNIT MB1A MC MB1 MC Revised May 19 1995 801260 a MAIN BOARD Revision 5A Bill Of Materials September 25 1995 11 38 34 Reference Part Description Cod alsa RI 330 Resistenza Strato 1 4 N 5 430171 R2 330 Resistenza Strato 1 4 N 5 430171 R3 3K9 Resistenza Strato 1 4 N 5 430350 RA 10KT Trimmer Cermet 403066 R5 8K 1 Resistenza di precisione 1 0 5W 430469 R6 2KT Trimmer Cermet 403092 R7 3 1 Resistenza di precisione 1 0 5 430459 R8 10 Resistenza Strato 1 4 W 5 430180 R9 12K Resistenza Strato 1 4 W 5 430351 R10 330K Resistenza Strato 1 4 W 5 430173 R11 10K Resistenza Strato 1 4 W 5 430339 R12 150K Resistenza Strato 1 4 W 5 430360 R13 220K Resistenza Strato 1 4 W 5 430352 R14 100K Resistenza Strato 1 4 W 5 430177 R15 1K Resistenza Strato 1 4 W 5 430170 R16 27K Resistenza Strato 1 4 W 5 430340 R17 10K Resistenza Strato 1 4 W 5 430339 R18 100K Resistenza Strato 1 4 W 5 430177 R19 1K Resistenza Strato 1 4 W 5 430170 R20 100 Resistenza Strato 1 4 W 5 430336 R21 1K Resistenza Strato 1 4 W 5 430170 R22 47K Resistenza Strato 1 4 W 5 430218 R23 10 Resistenza Strato 1 4 W 5 430180 R24 56 Resistenza Strato
12. 1 4 W 5 430444 R25 1K Resistenza Strato 1 4 W 5 430170 R26 56 Resistenza Strato 1 4 W 5 430444 R27 10 Resistenza Strato 1 4 W 5 430180 R28 10K Resistenza Strato 1 4 W 5 430339 R29 10K Resistenza Strato 1 4 W 5 430339 R30 22K Resistenza Strato 1 4 W 5 430179 R31 47K Resistenza Strato 1 4 W 5 430218 R32 4 7 Resistenza Strato 1 4 5 430167 R33 10K Resistenza Strato 1 4 W 5 430339 R34 33K 6W F Res 33 Kohm 6W a filo assiale 430463 R35 1K Resistenza Strato 1 4 W 5 430170 R36 100K Resistenza Strato 1 4 W 5 430177 R37 5K6 Resistenza Strato 1 4 W 5 430344 R38 10K 1W Resistenza Strato IN 430320 R39 10K 1W Resistenza Strato IN 430320 R40 1K8 Resistenza Strato 1 4 W 5 430198 R41 100 Resistenza Strato 1 4 W 5 430336 R42 1K8 Resistenza Strato 1 4 W 5 430198 R43 1K8 Resistenza Strato 1 4 W 5 430198 R44 220 Resistenza Strato 1 4 W 5 430358 R45 1K8 Resistenza Strato 1 4 W 5 430198 R46 22K Resistenza Strato 1 4 W 5 430179 R47 15K Resistenza Strato 1 4 W 5 430345 R48 10K Resistenza Strato 1 4 W 5 430339 R49 10 Resistenza Strato 1 4 W 5 430180 R50 10KT Trimmer Cermet 403066 R51 10K Resistenza Strato 1 4 W 5 430339 R52 4K7 Resistenza Strato 1 4 W 5 430167 R53 47 Resistenza Strato 1 4 W 5 430334 R54 220 Resistenza Strato 1 4 W 5 430358 R55 10K Resistenza Strato 1 4 W 5 430339 R56 100 Resistenza Strato 1 4 W 5 430336 R57 1K8 Resistenza Strato 1 4 W 5 430198 R58 220K Resistenza Strato 1 4 W 5 430352 R59 200KT Trimmer Cermet 403104
13. 399028 Conn Faston C S Dritto 399028 J8 399028 Conn Faston C S Dritto 399028 J9 399028 Conn Faston C S Dritto 399028 J10 399028 Conn Faston C S Dritto 399028 J11 399028 Conn Faston C S Dritto 399028 J12 strip 10 Strip 10 pin 446015 10 12 strip 10 10 446015 10 J13 399029 Conn Faston C S 90 gradi 399029 J14 399029 Conn Faston C S 90 gradi 399029 J15 399028 Conn Faston C S Dritto 399028 LP1 449125 Altoparlante 8 ohm 0 25 W 449125 AL1 ML73 2 Dissipatore in alluminio 713249 AL2 ML73 2 Dissipatore in alluminio 713249 AL3 ML73 2 Dissipatore in alluminio 713249 AL4 ML73 2 Dissipatore in alluminio 713249 AL5 ML73 2 Dissipatore in alluminio 713249 33 NS n au an NO0aeN D 38 23333232 SER oo N 22 aa I I di 1 dp P 4 P 9 1 1 1 1 1 1 1 1 1 4 ra 0 89212200 NhUkUN D alsa apparecchi medicali s r l dale 14 5 1994 ALSATOM MB1A MC MB1 MPA 801261 MICROCONTROLLER SECTION 237 CORIO 69 7070797070 i pt 012 08 09 DIA HHH alsa apparecchi medicali s r l 14 6 1994 ALSATOM MB1A MC MB1 NC a 801261 MICROCONTROLLER SECTION ELECTROSURGICAL UNIT 1 Revised September 19 1995 801261 MICROCONTROLLER SECTION Revision 4A Bill Of Materials September 2
14. 41 Pulsante 5 SCHURTER 416094 SW6 MTG 1241 Pulsante da C S SCHURTER 416094 91 PAD Capocorda realizzato su C S 7 J2 PAD CI Capocorda realizzato su C S J3 JUMP_20P Jumper 20 poli 384035 384027 J4 PAD Capocorda realizzato su C S 95 PAD Capocorda realizzato su C S J6 399028 Conn Faston C S Dritto 399028 3 23333232 NO0aeN D 5 KON 33 264 NBURUN O D INT t 1 P ALEZP P P d Pra Babba ada anni 57511001 alsa apparecchi medicali s r dole rev 14 5 1994 ALSATOM MB1A MC MB1 MC 4A 801262 MICROCONTROLLER SECTION 237 CORIO 69 7070797070 i 14 6 1994 ALSATOM MB1A MC MB1 MC 4A 801262 MICROCONTROLLER SECTION ELECTROSURGICAL UNIT 801262 MICROCONTROLLER SECTION MB1 MC Revised September 19 1995 Revision 4A Bill Of Materials September 25 1995 14 46 55 Reference Part Description Cod alsa R1 560 Resistenza Strato 1 4 W 5 430178 R2 5KT Trimmer Cermet 403052 R3 1K 1 Resistenza di precisione 1 0 5W 430458 R4 3K 1 Resistenza di precisione 1 0 5W 430459 R5 100 Resistenza Strato 1 4 W 5 430336 R6 1K Resistenza Strato 1 4 W 5 430170 R7 10K Resistenza Strato 1 4 W 5 430339 R8 1K8 Resistenza Strato 1 4 W 5 430198 R9 22K Resistenza Strato 1 4 W 5 430179 R10 560 Resist
15. 420069 D2 WL04 Ponte Raddrizzatore lA 420013 D3 WL04 Ponte Raddrizzatore lA 420013 D4 12V 1W Diodo Zener 12V 1W 420019 D5 12V 1W Diodo Zener 12V 1W 420019 D6 12V 1W Diodo Zener 12V 1W 420019 D7 12V 1W Diodo Zener 12V 1W 420019 D8 2V7 0 5W Diodo Zener 2V7 1 2W 420067 D9 BYT03 400 Diodo Ultra Fast 3A 400V 420071 D10 BAT83 Diodo Schottky 420070 DIL 1N4148 Diodo 420010 D12 150V 5W Diodo Zener 150V 5W 420091 D13 11DQ06 Diodo Schottky 420054 D14 12V 1W Diodo Zener 12V 1W 420019 D15 11DQ06 Diodo Schottky 420054 D16 150V 5W Diodo Zener 150V 5W 420091 D17 12V 1W Diodo Zener 12V 1W 420019 18 BAT83 Diodo Schottky 420070 D19 10V 0 5W Diodo Zener 10V 1 2W 420068 D20 03 400 Diodo Ultra Fast 3A 400V 420071 D21 03 400 Diodo Ultra Fast 3A 400V 420071 D22 11DQ06 Diodo Schottky 420054 D23 11DQO6 Diodo Schottky 420054 D24 11DQO6 Diodo Schottky 420054 D25 11DQO6 Diodo Schottky 420054 D26 1N4007 Diodo 420001 D27 11DQ06 Diodo Schottky 420054 D28 1N4148 Diodo 420010 D29 1N4148 Diodo 420010 D30 11DQ06 Diodo Schottky 420054 D31 10V 0 5W Diodo Zener 10V 1 2W 420068 D32 2V7 0 5W Diodo Zener 2 7 1 2 420067 D33 134148 Diodo 420010 01 VN10KM Mosfet N 427054 Q2 IRF740 Mosfet N 427076 Q3 IRF740 Mosfet N 427076 04 BC237B Transistor NPN 427057 Q5 BC237B Transistor NPN 427057 Q6 VN10KM Mosfet N 427054 Q7 IRF740 Mosfet N 427076 ELECTROSURGICAL UNIT 801260 a MAIN BOARD MB1A MC MB1 MC Revised Revision 5A May 19 1995 Bill Of Materials S
16. 5 1995 14 45 56 Reference Part Description Cod alsa R1 560 Resistenza Strato 1 4 W 5 430178 R2 5KT Trimmer Cermet 403052 R3 1K 1 Resistenza di precisione 1 0 5W 430458 R4 3K 1 Resistenza di precisione 1 0 5W 430459 R5 100 Resistenza Strato 1 4 W 5 430336 R6 1K Resistenza Strato 1 4 W 5 430170 R7 10K Resistenza Strato 1 4 W 5 430339 R8 1K8 Resistenza Strato 1 4 W 5 430198 R9 22K Resistenza Strato 1 4 W 5 430179 R10 560 Resistenza Strato 1 4 W 5 430178 R11 10K Resistenza Strato 1 4 W 5 430339 R12 10K Resistenza Strato 1 4 W 5 430339 R13 10K Resistenza Strato 1 4 W 5 430339 R14 100 Resistenza Strato 1 4 W 5 430336 R15 100 Resistenza Strato 1 4 W 5 430336 R16 100 Resistenza Strato 1 4 W 5 430336 R17 100 Resistenza Strato 1 4 W 5 430336 R18 10K Resistenza Strato 1 4 W 5 430339 R19 10K Resistenza Strato 1 4 W 5 430339 R20 1K Resistenza Strato 1 4 W 5 430170 R21 1K Resistenza Strato 1 4 W 5 430170 R22 100 Resistenza Strato 1 4 W 5 430336 R23 100 Resistenza Strato 1 4 W 5 430336 R24 1K Resistenza Strato 1 4 W 5 430170 R25 100 Resistenza Strato 1 4 W 5 430336 R26 10K Resistenza Strato 1 4 W 5 430339 R27 10K Resistenza Strato 1 4 W 5 430339 R28 10K Resistenza Strato 1 4 W 5 430339 R29 1K Resistenza Strato 1 4 W 5 430170 R30 1K Resistenza Strato 1 4 W 5 430170 R31 100 Resistenza Strato 1 4 W 5 430336 R32 100 Resistenza Strato 1 4 W 5 430336 R33 80 1 Resistenza di precisione 1 0 5W 430460 R34 3K 1 Resistenza di prec
17. 70 Resistenza Strato 1 4 W 5 430169 R91 470 Resistenza Strato 1 4 W 5 430169 R92 4 7 Resistenza Strato 1 4 5 430167 R93 47K Resistenza Strato 1 4 W 5 430218 R94 10K Resistenza Strato 1 4 W 5 430339 R95 10K Resistenza Strato 1 4 W 5 430339 R96 100 Resistenza Strato 1 4 W 5 430336 R97 2K2 Resistenza Strato 1 4 W 5 430343 R98 470 Resistenza Strato 1 4 W 5 430169 R99 22K Resistenza Strato 1 4 W 5 430179 R100 2K 1 Resistenza di precisione 1 0 5W 430461 R101 11K 1 Resistenza di precisione 1 0 5W 430467 R102 11K 1 Resistenza di precisione 1 0 5W 430467 R103 11K 1 Resistenza di precisione 1 0 5W 430467 R104 33K2 1 Resistenza di precisione 1 0 5W 430472 R105 10K 5W Resistenza Antind 5 W 430471 R106 10K 5W Resistenza Antind 5 W 430471 R107 10K 5W Resistenza Antind 5 W 430471 R108 47 Resistenza Strato 1 4 W 5 430334 R109 4 7 Resistenza Strato 1 4 5 430167 R110 10K Resistenza Strato 1 4 W 5 430339 R111 2K2 Resistenza Strato 1 4 W 5 430343 R112 2K2 Resistenza Strato 1 4 W 5 430343 R113 12 Resistenza Strato 1 4 W 5 430415 R114 4 7 Resistenza Strato 1 4 5 430167 R115 470 Resistenza Strato 1 4 W 5 430169 R116 5KT Trimmer Cermet 403052 R117 100 Resistenza Strato 1 4 W 5 430336 R118 1K Resistenza Strato 1 4 W 5 430170 R119 220 Resistenza Strato 1 4 W 5 430358 R120 220 Resistenza Strato 1 4 W 5 430358 R121 22K Resistenza Strato 1 4 W 5 430179 R122 33K Resistenza Strato 1 4 W 5 430172 R123 100 Resistenza Strato 1 4
18. ALIBRATING REFERENCE VOLTAGE VREFA a connect 7P5 to ground This prevents activation of the RF power generator thus preventing possible damage to electronic circuits that have not been tested yet b insert F3 fuse set trimmer R4 at center position board 801260 801260 a d turn on electrosurgical unit and wait for the display to show O e calibrate trimmer board 801260 801260 so that voltage at test point 7P6 is exactly 8 0 2 TESTING POWER SUPPLY DRIVING PWM SIGNAL a connect oscilloscope probe to test point 7 7 board 801260 801260 a b set 100W as power index in the function c activate and make sure the following wave form appears 100 I 90 Vert DC 2V div Hor 20 us div 3 CALIBRATING MINIMUM VOLTAGE set 2W as power index in the function b make sure that when the electrosurgical unit is not activated voltage is lower than 3V in test point TP8 board 801260 801260 a c press the activation pedal and bring voltage to 7V on 7P8 by using trimmer R4 board 801260 801260 a 4 CALIBRATING MAXIMUM VOLTAGE a set 70W as power index in the FORCED COAG function b press activation pedal and bring voltage to 734V on 7P8 by using trimmer board 801260 801260 a Calibration of the two voltages the maximum and the minimum are interactive thus it is necessary to repeat calibrations until the values that
19. GL5HY8 Diodo Led Giallo 5 mm 420036 D15 GL5HB8 Diodo Led Blu 5 mm 420092 01 BC237B Transistor NPN 427057 Q2 BC237B Transistor NPN 427057 Q3 BC237B Transistor NPN 427057 Q4 BC237B Transistor NPN 427057 Q5 BC237B Transistor NPN 427057 Q6 BC237B Transistor NPN 427057 Q7 BC307B Transistor PNP 427058 08 BC237B Transistor NPN 427057 09 237 Transistor NPN 427057 L1 100uH 275mA Induttanza 422006 L2 6uH8 800mA Induttanza 422007 91 LM431 Regolatore 482078 U2 80C552 Microprocessore 482077 U3 74HC373 74HC373 482066 UA 27256 EPROM 256K 482067 95 SAA1064 Display decoder 482080 XT1 12Mhz HC18 Quarzo 12 Mhz 252005 571 MTG 1241 Pulsante da 5 SCHURTER 416094 sw2 MTG 1241 Pulsante da C S SCHURTER 416094 sw3 MTG 1241 Pulsante da C S SCHURTER 416094 91 PAD Capocorda realizzato su C S 7 J2 PAD CI Capocorda realizzato su C S J3 JUMP_20P Jumper 20 poli 384035 384027 J4 PAD CI Capocorda realizzato su C S 95 PAD Capocorda realizzato su C S J6 399028 Conn Faston C S Dritto 399028
20. Strato 1 4 W 5 430339 R74 10K Resistenza Strato 1 4 W 5 430339 R75 10K Resistenza Strato 1 4 W 5 430339 ci 10n Cond Ceramico multistrato 400251 2 47 1 400255 10u T 35V Cond Tantalio 400134 C4 100n Cond Ceramico multistrato 400139 C5 100n Cond Ceramico multistrato 400139 100 Cond Ceramico multistrato 400139 C7 100n Cond Ceramico multistrato 400139 100 Cond Ceramico multistrato 400139 c9 100n Cond Ceramico multistrato 400139 c10 10u T 35V Cond Tantalio 400134 cil 22p C Cond Ceramico disco 400290 C12 22p C Cond Ceramico disco 400290 C13 10u T 35V Cond Tantalio 400134 C14 100n Cond Ceramico multistrato 400139 C15 10u T 35V Cond Tantalio 400134 C16 1N C Cond Ceramico disco 400252 C17 100n Cond Ceramico multistrato 400139 ELECTROSURGICAL UNIT MB1A MC Revised September 19 1995 801261 MICROCONTROLLER SECTION Revision 4A Bill Of Materials September 25 1995 14 45 56 Reference Part Description Cod alsa 18 2 2 Cond Ceramico disco 400261 19 10u T 35V Cond Tantalio 400134 20 100 Cond Ceramico multistrato 400139 c21 100n Cond Ceramico multistrato 400139 C22 100n Cond Ceramico multistrato 400139 C23 100n Cond Ceramico multistrato 400139 C24 47u E 50V Cond Elettrolitico 400296 C25 100n Cond Ceramico multistrato 400139 C26 100n Cond Ceramico multistrato 400139 C27 10n Cond Ceramico multistrato 400251 C28 1u T 35V Cond Tantalio 400173 C29 10n Cond Ceramico multistrat
21. T 35V Cond Tantalio 400173 C54 100n Cond Ceramico multistrato 400139 C55 10n C 1KV Cond Ceramico disco 400133 56 10n C 1KV Cond Ceramico disco 400133 C57 2n2 C 3KV Cond Ceramico disco 400223 C58 2n2 C 3KV Cond Ceramico disco 400223 59 220n PP 400V Cond Polipropilene Siemens 400297 C60 Cond Poliestere 400278 c61 10n Cond Ceramico multistrato 400251 C62 1n C 3KV Cond Ceramico disco 400224 C63 1n C 3KV Cond Ceramico disco 400224 C64 1n C 3KV Cond Ceramico disco 400224 C65 1n C 3KV Cond Ceramico disco 400224 C67 47p C 6KV Cond Ceramico disco HT 400301 68 47p C 6KV Cond Ceramico disco HT 400301 C69 680p C 500V Cond Ceramico 400292 C70 680p C 500V Cond Ceramico 400292 C71 100n Cond Ceramico multistrato 400139 C72 220n P Cond Poliestere metallizzato 400271 C73 220n P Cond Poliestere metallizzato 400271 C74 10n Cond Ceramico multistrato 400251 C75 1u T 35V Cond Tantalio 400173 C76 Cond Poliestere 400278 eT 100n Cond Ceramico multistrato 400139 C78 100n Cond Ceramico multistrato 400139 C79 2n2 C Cond Ceramico disco 400261 C80 220n P Cond Poliestere metallizzato 400271 C81 100n Cond Ceramico multistrato 400139 C82 100n Cond Ceramico multistrato 400139 C83 100n Cond Ceramico multistrato 400139 C84 100n Cond Ceramico multistrato 400139 C85 100n Cond Ceramico multistrato 400139 C86 10u T 35V Cond Tantalio 400134 C87 2n2 C 3KV Cond Ceramico disco 400223 C88 2n2 C 3KV Cond Ceramico disco 400223 D1 KBLO6 Ponte Raddrizzatore 4A 600V
22. T signal modulation 1kHz 70ms 130ms OFF during activation Internal variables check failure 1kHz 70ms ON 130ms OFF 1kHz 70ms ON 130ms OFF EF 1kHz 190 190 OFF WARNING AFTER TURNING ON THE ELECTROSURGICAL UNIT IF NO LED LIGHTS DON T USE THE UNIT AND CALL THE TECHNICAL SERVICE 3 CALIBRATING VREF VOLTAGE a connect the voltmeter to test point 7P3 board 801261 801262 b turn trimmers R57 and R67 fully clockwise board 801261 801262 c set trimmer A2 board 801261 801262 so that voltage is exactly at 4 94V 4 TESTING RF MODULATION SIGNAL a connect oscilloscope probe to test point 7P4 board 801261 801262 b set 10W as power index in BLEND function c with the electrosurgical unit turned on test the modulation signal taking as reference the following wave form Vert DC 1V div Hor 20 us div e set 10W as power index in the FORCED COAG function f with the electrosurgical unit turned on test the modulation signal taking as reference the following wave forms 100 100 90 90 Vert DC 1V div Vert DC 1V div Hor 10 us div Hor 2 us div 9 set 10W as power index in the SOFT COAG function h with the electrosurgical unit turned on test the modulation signal taki
23. V V Cond Elett verticale SMPS 400286 C24 22u E 100V V Cond Elett verticale SMPS 400286 C25 22u E 100V V Cond Elett verticale SMPS 400286 C26 22u E 100V V Cond Elett verticale SMPS 400286 C27 22u E 100V V Cond Elett verticale SMPS 400286 C28 22u E 100V V Cond Elett verticale SMPS 400286 C29 100n Cond Ceramico multistrato 400139 C30 470p C Cond Ceramico disco 400242 C31 100p NPO Cond Ceramico NPO 400260 C32 220P C Cond Ceramico disco 400240 C33 12p C Cond Ceramico disco 400269 C34 7 100p Compensatore 7 100p 400289 C35 10u T 35V Cond Tantalio 400134 C36 100p NPO Cond Ceramico NPO 400260 C37 100n Cond Ceramico multistrato 400139 c38 68 Cond Ceramico multistrato 400273 c39 10n Cond Ceramico multistrato 400251 ELECTROSURGICAL UNIT 801260 a MAIN BOARD MB1A MC MB1 MC Revised May 19 1995 Revision 5A Bill Of Materials September 25 1995 11 38 34 Reference Part Description Cod alsa 40 22u E 35V Cond Elettrolitico verticale 400237 C41 100n Cond Ceramico multistrato 400139 C42 47p NPO Cond Ceramico NPO 400255 C43 100p NPO Cond Ceramico NPO 400260 C44 220p PP 400V A Cond Polipropilene assiale 400280 C45 10u T 35V Cond Tantalio 400134 C46 10u T 35V Cond Tantalio 400134 C47 100n Cond Ceramico multistrato 400139 C48 220n P Cond Poliestere metallizzato 400271 C49 10u T 35V Cond Tantalio 400134 C50 100n Cond Ceramico multistrato 400139 C51 100n Cond Ceramico multistrato 400139 C52 10n Cond Ceramico multistrato 400251 C53 1u
24. enza Strato 1 4 W 5 430178 R11 10K Resistenza Strato 1 4 W 5 430339 R12 10K Resistenza Strato 1 4 W 5 430339 R13 10K Resistenza Strato 1 4 W 5 430339 R14 100 Resistenza Strato 1 4 W 5 430336 R15 100 Resistenza Strato 1 4 W 5 430336 R16 100 Resistenza Strato 1 4 W 5 430336 R17 100 Resistenza Strato 1 4 W 5 430336 R18 10K Resistenza Strato 1 4 W 5 430339 R19 10K Resistenza Strato 1 4 W 5 430339 R20 1K Resistenza Strato 1 4 W 5 430170 R21 1K Resistenza Strato 1 4 W 5 430170 R22 100 Resistenza Strato 1 4 W 5 430336 R23 100 Resistenza Strato 1 4 W 5 430336 R24 1K Resistenza Strato 1 4 W 5 430170 R25 100 Resistenza Strato 1 4 W 5 430336 R26 10K Resistenza Strato 1 4 W 5 430339 R27 10K Resistenza Strato 1 4 W 5 430339 R28 10K Resistenza Strato 1 4 W 5 430339 R29 1K Resistenza Strato 1 4 W 5 430170 R30 1K Resistenza Strato 1 4 W 5 430170 R31 100 Resistenza Strato 1 4 W 5 430336 R32 100 Resistenza Strato 1 4 W 5 430336 R33 80 1 Resistenza di precisione 1 0 5W 430460 R34 3K 1 Resistenza di precisione 1 0 5W 430459 R35 80 1 Resistenza di precisione 1 0 5W 430460 R36 10K Resistenza Strato 1 4 W 5 430339 R37 560 Resistenza Strato 1 4 W 5 430178 R38 22K Resistenza Strato 1 4 W 5 430179 R39 22K Resistenza Strato 1 4 W 5 430179 R40 22K Resistenza Strato 1 4 W 5 430179 R41 22K Resistenza Strato 1 4 W 5 430179 R42 22K Resistenza Strato 1 4 W 5 430179 R43 10K Resistenza Strato 1 4 W 5 430339 R44 1K Resistenza Strato 1 4 W 5
25. eptember 25 1995 11 38 34 Reference Part Description Cod alsa 08 IRF740 Mosfet N 427076 09 BC237B Transistor NPN 427057 010 VN10KM Mosfet N 427054 011 237 Transistor NPN 427057 012 VN10KM Mosfet N 427054 013 VN10KM Mosfet N 427054 L1 520uH Induttanza toroidale cod 700 713623 L2 150uH 175mA Induttanza 422008 L3 713621 Ind AMIDON T94 2 713621 L4 1mH 100mA Induttanza 422005 L5 1mH 100mA Induttanza 422005 Ul LM431 Regolatore 482078 U2 UC3525 PWM UC3525 482060 U3 1 78515 Regolatore di tensione POS 15V 482086 UA LM7805 Regolatore LM7805 482003 U5 LM3 86 Amplificatore BF LM386 482056 U6 74 00 7400 482049 97 UC3825 PWM UC3825 482064 U8 4093 CMOS CD4093 482025 U9 SFH600 2 Fotoaccoppiatore SFH600 2 482022 1 1MHZ C Risuonatore ceramico 252002 RL1 40 52 12VDC Rele OMRON 404040 RL2 40 52 12VDC Rele OMRON 404040 T1 421026 Trasf di impulsi 2 secondari SIRIO 421026 T2 713337 Trasformatore di corrente A F 713337 T3 801263 A Trasf uscita MB1 MC 1 801263 A T5 713708 Lettore di corrente T68 2 713708 T6 421025 Trasf isolatore 10KV SIRIO 421025 F1 1 Fusibile 1 5x20 mm 433009 F2 1A T Fusibile 1 5x20 mm 433009 F3 2A T Fusibile 2 AT 5x20 mm 433001 41 399028 Conn Faston C S Dritto 399028 J2 399028 Conn Faston C S Dritto 399028 J3 399028 Conn Faston C S Dritto 399028 J4 399028 Conn Faston C S Dritto 399028 J5 399028 Conn Faston C S Dritto 399028 J6 399028 Conn Faston C S Dritto 399028 J7
26. isione 1 0 5W 430459 R35 80 1 Resistenza di precisione 1 0 5W 430460 R36 10K Resistenza Strato 1 4 W 5 430339 R37 560 Resistenza Strato 1 4 W 5 430178 R38 22K Resistenza Strato 1 4 W 5 430179 R39 22K Resistenza Strato 1 4 W 5 430179 R40 22K Resistenza Strato 1 4 W 5 430179 R41 22K Resistenza Strato 1 4 W 5 430179 R42 22K Resistenza Strato 1 4 W 5 430179 R43 10K Resistenza Strato 1 4 W 5 430339 R44 1K Resistenza Strato 1 4 W 5 430170 R46 10K Resistenza Strato 1 4 W 5 430339 R47 10K Resistenza Strato 1 4 W 5 430339 R48 10K Resistenza Strato 1 4 W 5 430339 R50 10K Resistenza Strato 1 4 W 5 430339 R51 10K Resistenza Strato 1 4 W 5 430339 R52 1K Resistenza Strato 1 4 W 5 430170 R53 100 Resistenza Strato 1 4 W 5 430336 R54 10K Resistenza Strato 1 4 W 5 430339 R55 100 Resistenza Strato 1 4 W 5 430336 R56 1K 1 Resistenza di precisione 1 0 5W 430458 R57 5KT Trimmer Cermet 403052 R58 1K Resistenza Strato 1 4 W 5 430170 R59 10K Resistenza Strato 1 4 W 5 430339 R60 1K 1 Resistenza di precisione 1 0 5W 430458 R61 20KT Trimmer Cermet 403050 R63 1K 1 Resistenza di precisione 1 0 5W 430458 R64 1K Resistenza Strato 1 4 W 5 430170 R65 NU NOT USED ___________ _ R66 22K Resistenza Strato 1 4 W 5 430179 R67 470 Resistenza Strato 1 4 W 5 430169 R68 470 Resistenza Strato 1 4 W 5 430169 R69 47 Resistenza Strato 1 4 W 5 430334 R70 47 Resistenza Strato 1 4 W 5 430334 R72 10K Resistenza Strato 1 4 W 5 430339 R73 10K Resistenza
27. mb1_serv ing Alsatom INDEX EQUIPMENT REQUIRED SERVICE MANUAL DESCRIPTION FEATURES EXAMPLE Double tracking Passband Tektronix oscilloscope DC 100 MHz mod 2235A digital multimeter Accuracy Hewlett Packard DC 1 AC 2 mod E2373A Thermoelement Passband YOKOGAWA 10 Hz 5 MHz mod 2016 Digital Passband Hewlett Packard frequency meter 10 Hz 100 MHz mod HP 5384A Voltage probe Passband Tektronix x 10 DC 200 MHz mod P6063B Voltage probe Passband Tektronix x 1000 DC 10 MHz mod P6015 Current probe Passband Tektronix DC 50 MHz mod A6302 AM 503 A PRELIMINARY PROCEDURE a remove the fuse from the MAIN BOARD board 801 260 801 260 a b insert plug from pedal control into input port PEDAL insert neutral plate plug in its appropriate outlet MONOPOLAR d insert power supply cable in current outlet B LOW VOLTAGE POWER SUPPLY board 801260 801260 a 1 TESTING POWER SUPPLY VOLTAGE AND 15V TP1 2 a short the 33 resistor board 801260 801260 a This prevents activation of the RF power generator thus preventing possible damage to electronic circuits that have not been tested yet b set oscilloscope vertical sensivity at 1V div in DC mode c connect the oscilloscope probe to test point 7P7 d turn on electrosurgical unit and make sure voltage is between 4 7V e 5 3V e with oscilloscope AC mode and sensivity set at 7 V div verify that
28. ng as reference the following wave form 100 I 90 i Vert DC 1V div Hor 20 us div 4 ONE SHOT TIMING TEST SINGLE PULSE only for 7 model a alvvays vvith oscilloscope probe on test point 7P4 board 801261 801262 set 10VV as povver index in the CUT function b push one time only the push button of the TIMER section Now the timer display must show 1 c vvith the electrosurgical unit turned on test the modulation signal taking as reference the follovving vvave form 100 Vert 1V div Hor 5 ms div 10 0 verify the timing accuracy programming timer digits from 1 99 10ms 0 99s 5 SUPERPULSED TIMING TEST a always with oscilloscope probe on test point 7 4 board 801261 801262 and 10W as power index in the CUT function push several times the push button T until the digit 1 of TIMER display begins to flash b verify the timing taking as reference the following wave form 100 I a E emm Vert DC 1V div Hor 5 ms div Verify the duty cycle is 50 c push again the push button T to leave the 7 MER function d turn off the electrosurgical unit e remove jumper shorting the A33 resistor board 801260 801260 a E POWER SUPPLY board 801260 801260 a 1 C
29. o 400139 c9 100n Cond Ceramico multistrato 400139 c10 10u T 35V Cond Tantalio 400134 cil 22p C Cond Ceramico disco 400290 C12 22p C Cond Ceramico disco 400290 C13 10u T 35V Cond Tantalio 400134 C14 100n Cond Ceramico multistrato 400139 C15 10u T 35V Cond Tantalio 400134 C16 1N C Cond Ceramico disco 400252 C17 100n Cond Ceramico multistrato 400139 ELECTROSURGICAL UNIT MB1 MC Revised September 19 1995 801262 MICROCONTROLLER SECTION Revision 4A Bill Of Materials September 25 1995 14 46 55 Reference Part Description Cod alsa 18 2 2 Cond Ceramico disco 400261 19 10u T 35V Cond Tantalio 400134 20 100 Cond Ceramico multistrato 400139 c21 100n Cond Ceramico multistrato 400139 C22 100n Cond Ceramico multistrato 400139 C23 100n Cond Ceramico multistrato 400139 C24 47u E 50V Cond Elettrolitico 400296 C25 100n Cond Ceramico multistrato 400139 C26 100n Cond Ceramico multistrato 400139 C27 10n Cond Ceramico multistrato 400251 C28 1u T 35V Cond Tantalio 400173 C29 10n Cond Ceramico multistrato 400251 C30 100n Cond Ceramico multistrato 400139 D1 GL5HR8 Diodo Led Rosso 5 mm 420025 D2 5V6 0 5W Diodo Zener 5V6 0 5W 420018 D3 LED Y3 Led giallo 3mm 420079 D4 LED Y3 Led giallo 3mm 420079 D5 LED Y3 Led giallo 3mm 420079 D6 LED Y3 Led giallo 3mm 420079 D7 LED Y3 Led giallo 3mm 420079 D8 MAN6760C Display 7 Segmenti anodo comune 420060 D9 MAN6760C Display 7 Segmenti anodo comune 420060 D10 MAN6760C Display 7 Segmenti anodo comune 420060 D14
30. o 400251 C30 100n Cond Ceramico multistrato 400139 D1 GL5HR8 Diodo Led Rosso 5 mm 420025 D2 5V6 0 5W Diodo Zener 5V6 0 5W 420018 D3 LED Y3 Led giallo 3mm 420079 D4 LED Y3 Led giallo 3mm 420079 D5 LED Y3 Led giallo 3mm 420079 D6 LED Y3 Led giallo 3mm 420079 D7 LED Y3 Led giallo 3mm 420079 D8 MAN6760C Display 7 Segmenti anodo comune 420060 D9 MAN6760C Display 7 Segmenti anodo comune 420060 D10 MAN6760C Display 7 Segmenti anodo comune 420060 D11 MAN6760C Display 7 Segmenti anodo comune 420060 D12 MAN6760C Display 7 Segmenti anodo comune 420060 D14 GL5HY8 Diodo Led Giallo 5 mm 420036 15 GL5HB8 Diodo Led Blu 5 mm 420092 D16 NU NOT USED gt D17 1N4148 Diodo 420010 D18 1N4148 Diodo 420010 Q1 BC237B Transistor NPN 427057 Q2 BC237B Transistor NPN 427057 Q3 BC237B Transistor NPN 427057 Q4 BC237B Transistor NPN 427057 Q5 BC237B Transistor NPN 427057 Q6 BC237B Transistor NPN 427057 Q7 BC307B Transistor PNP 427058 Q8 BC237B Transistor NPN 427057 Q9 BC237B Transistor NPN 427057 L1 100uH 275mA Induttanza 422006 L2 6uH8 800mA Induttanza 422007 91 LM431 Regolatore 482078 U2 80C552 Microprocessore 482077 U3 74HC373 74HC373 482066 UA 27256 EPROM 256K 482067 5 SAA1064 Display decoder 482080 XT1 12Mhz HC18 Quarzo 12 Mhz 252005 571 MTG 1241 Pulsante 5 SCHURTER 416094 52 MTG 1241 Pulsante da 5 SCHURTER 416094 SN3 MIG 1241 Pulsante da C S SCHURTER 416094 SHA MIG 1241 Pulsante da C S SCHURTER 416094 575 MTG 12
31. ripple voltage is not over 70mVpp f move oscilloscope probe on test point 7P2 Vert 7V div DC and make sure voltage is between 74 3V and 15 7V C MICROCONTROLLER board 801261 801262 7 TESTING ONCE EQUIPMENT IS TURNED ON When the electrosurgical unit is turned on the microcontroller does automatically a selftest about 15 seconds to verify anomalies of working if present If everything is all right you ll have in sequence lighting of 5 green LEDs of working mode lighting of power display lighting of timer display only in MB7 A MC model lighting of red LED neutral plate alarm yellow LED CUT BLEND activation and blue LED FORCED COAG SOFT COAG BIPOLAR activation with short acoustic signals After the selftest procedure the unit shows what version of the software is being used with a short acoustic signal and the display pertaining to output power shows the number O After turning on the unit during the selftest or any other condition the system controls and prevents possible abnormalities shutting down output power and displaying error type with its specific code KIND OF PROBLEM ACOUSTIC DISPLAY SIGNAL CODE RAM memory during the selftest 1kHz 70ms ON 130ms OFF EPROM memory during the selftest 1kHz 70ms ON 130ms OFF Supply voltage during the selftest 1kHz 70ms ON 130ms OFF Ed RF signal modulation during the selftest 1kHz 70ms ON 130ms OFF Supply voltage 2 1kHz 70 5 ON 130ms OFF Ed B

- Frank`s Hospital Workshop

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